679834541 has 2 divisors, whose sum is σ = 679834542. Its totient is φ = 679834540.

The previous prime is 679834531. The next prime is 679834543. The reversal of 679834541 is 145438976.

679834541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514609225 + 165225316 = 22685^2 + 12854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679834541 is a prime.

Together with 679834543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679834543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339917270 + 339917271.

It is an arithmetic number, because the mean of its divisors is an integer number (339917271).

Almost surely, 2^679834541 is an apocalyptic number.

It is an amenable number.

679834541 is a deficient number, since it is larger than the sum of its proper divisors (1).

679834541 is an equidigital number, since it uses as much as digits as its factorization.

679834541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 679834541 is about 26073.6368962981. The cubic root of 679834541 is about 879.2946056028.

The spelling of 679834541 in words is "six hundred seventy-nine million, eight hundred thirty-four thousand, five hundred forty-one".